function [ ] = sharpening_operations(path)
%% 锐化
img_orig7 = imread(path);
H5 = fspecial('sobel');
edge = imfilter(img_orig7, H5);
sharpened = img_orig7 + edge;
figure();
subplot(1, 3, 1);
imshow(img_orig7);
title('Origin');
subplot(1, 3, 2);
imshow(edge);
title('Edge');
subplot(1, 3, 3);
imshow(sharpened);
title('img_sharpened');
end